SAW FILTER
1.Features
_
RF bandpass filter for CDMA450 Tx. Part
_ Usable bandwidth 5MHz (452.5MHz ~ 457.5 MHz)
_ High attenuation
_ No matching 50Ω single-ended operation
_ Ceramic Surface Mounted Device Package ( 3.8 mm *3.8 mm )
HD F4552
2
. Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
DC Voltage VDC
Power Handling Capability
Rating
-30~85
-40~85
10
27
Unit
°C
°C
V
dBm
2-1-1Electrical characteristics( T=25°C)
Minimum
Center Frequency ( F0 )
Insertion Loss (F0 +/- 2.5 MHz)
Amplitude Ripple (F0 +/- 2.5 MHz)
VSWR (F0 +/- 2.5 MHz)
Relative Attenuation
0.3 MHz ~ 350.0 MHz
350.0 MHz ~ 441.0 MHz
462.5 MHz ~ 467.5 MHz
467.5 MHz ~ 1200 MHz
Input/Output Impedance
MHz
dB
dB
-
Typical
455.0
2.0
0.8
1.4
30
30
-
30
50
Maximum
-
-
-
-
25
25
40
25
-
2.8
1.2
2.0
-
dB
Ω
-
www.shoulder.cn
Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 3 of 13
SAW FILTER
2-1-2.Electrical characteristics( T=+70°C~-20°C)
Minimum
Center Frequency ( F0 )
Insertion Loss (F0 +/- 2.5 MHz)
Amplitude Ripple (F0 +/- 2.5 MHz)
VSWR (F0 +/- 2.5 MHz)
Relative Attenuation
0.3 MHz ~ 350.0 MHz
350.0 MHz ~ 441.0 MHz
462.5 MHz ~ 467.5 MHz
467.5 MHz ~ 1200 MHz
Input/Output Impedance
MHz
dB
dB
-
HD F4552
Typical
455.0
2.0
0.8
1.4
30
30
-
30
50
-
Maximum
-
-
-
-
25
25
30
25
-
3.5
1.2
2.0
-
dB
Ω
2-2.Typical frequency response
www.shoulder.cn
Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 4 of 13